Over-the-counter drugs -usually don't have warning labels or dosage information -may be obtained without the knowledge of a physician and may have potential dangerous side effects regarding driving -can't affect your driving behaviors and may be purchased without a doctor's prescription -don't have potentially dangerous side effects and must have a doctor's recommendation

-May be obtained without the knowledge of a physician and may have potential dangerous side effects regarding driving

Explanation:

Over-the-counter drugs are the medicines that are sold directly to the consumer without obtaining prescription from the doctor. OTC are the chosen by the regulatory agency so as to ensure that they contain ingredients that are safe for consumption even when they are purchased without the doctor's recommendation.

All the drugs in general must be taken under the prescription of doctor as the specific dose is necessary to have the desire effect of drug on the body, the excess dose and inappropriate drug can harm the body.

Certain drugs include in the cough syrup, digestion inducing are allergic and sleep inducing thus these may cause side effects over driver.

answer:

none of the above. although a banana can be turned into a liquid